How To Fix PCNTPM028 - Duplicate item number (&1) is not allowed

PCNTPM028 - Overview

• Message type: E = Error

• Message class: PCNTPM - Message class of total payment management

• Message number: 028

• Message text: Duplicate item number (&1) is not allowed

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message PCNTPM028 - Duplicate item number (&1) is not allowed ?

  The SAP error message PCNTPM028 indicates that there is a duplicate item number in the system, which is not allowed. This error typically occurs in the context of materials management, production planning, or similar modules where item numbers must be unique.
  
  Cause:
  The error is triggered when you attempt to create or modify a record (such as a material, BOM, or production order) that includes an item number that already exists in the system. This can happen due to:
  
  Data Entry Errors: Manual entry of item numbers that have already been used.
  Data Migration Issues: During data uploads or migrations, duplicate item numbers may inadvertently be introduced.
  Configuration Settings: System settings that enforce uniqueness for item numbers.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Use transaction codes like MM03 (Display Material), CS03 (Display BOM), or relevant transaction codes to search for the item number in question.
  Verify if the item number already exists